Pioneer • Mk IIModel 716.210-6428 By Hanhart
The Pioneer Mk II is based on Hanhart's first pilot's chronographs, produced in 1939. It has two buttons, with the top button arranged asymmetrically and the lower reset button in a striking red colour.
HAN3703 modified automatic chronograph movement (bicompax), based on the Valjoux 7753 calibre, asymmetrical button arrangement;
28,800 vibrations per hour, 4 Hz;
Power reserve of min. 42 hours
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